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Finding the Fourth Proportional to 610,249.69, 842,194.26 and 338,402.80

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Solution

The fourth proportional to 610,249.69, 842,194.26 and 338,402.80 is: 467,023.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,249.69 : 842,194.26 = 338,402.80 : x
  2. Step 2: Convert to fraction form
    610,249.69/842,194.26 = 338,402.80/x
  3. Step 3: Cross multiply
    610,249.69x = 842,194.26 × 338,402.80
  4. Step 4: Simplify right side
    610,249.69x = 285,000,895,727.93
  5. Step 5: Solve for x
    x = 285,000,895,727.93/610,249.69
  6. Step 6: Final answer
    x = 467,023.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.